Mohyeon Eup, Tongjin, Gyeonggi, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Mohyeon Eup, Tongjin, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Mohyeon Eup, Tongjin, Gyeonggi, South Korea
6 AM17th Sep 2025
6 PM
5 AM18th Sep 2025
52AQI
20AQI
48AQI
21AQI
In the last 24 hours,
Mohyeon Eup's AQI reached its highest point of 52 at 6 AM during the Day, while the lowest point, 20, was recorded at 4 PM during the Day between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Mohyeon Eup, Tongjin, Gyeonggi, South Korea
27°C24/31°C
27°C23/32°C
28°C24/34°C
28°C24/33°C
28°C24/33°C
28°C24/33°C
28°C24/34°C
26°C23/31°C
26°C21/32°C
26°C22/32°C
27°C24/32°C
27°C24/32°C
27°C23/33°C
24°C23/28°C
25°C21/31°C
26°C21/31°C
23°C21/27°C
26°C21/32°C
26°C23/31°C
25°C21/29°C
24°C20/30°C
24°C21/27°C
24°C18/30°C
24°C18/31°C
23°C20/27°C
22°C20/25°C
23°C20/28°C
24°C20/30°C
24°C21/27°C
21°C18/24°C
--°C/°C
47AQI
42AQI
47AQI
45AQI
2025 Days Vs Air Quality
Mohyeon Eup, Tongjin, Gyeonggi, South Korea
34%
89
59%
154
6%
16
0.3%
1
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2025, 34% of 261 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Mohyeon Eup, Tongjin, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
75AQI
65AQI
63AQI
64AQI
75AQI
102AQI
60AQI
73AQI
43AQI
64AQI
60AQI
81AQI
94AQI
99AQI
57AQI
75AQI
89AQI
83AQI
100AQI
131AQI
144AQI
153AQI
133AQI
105AQI
77AQI
54AQI
63AQI
56AQI
60AQI
55AQI
70AQI
70AQI
78AQI
51AQI
51AQI
49AQI
57AQI
49AQI
51AQI
54AQI
59AQI
79AQI
86AQI
55AQI
92AQI
60AQI
120AQI
51AQI
63AQI
51AQI
59AQI
57AQI
59AQI
56AQI
60AQI
60AQI
78AQI
60AQI
88AQI
108AQI
86AQI
59AQI
50AQI
39AQI
68AQI
89AQI
87AQI
105AQI
117AQI
114AQI
108AQI
91AQI
79AQI
53AQI
69AQI
63AQI
62AQI
79AQI
88AQI
105AQI
109AQI
117AQI
119AQI
131AQI
90AQI
89AQI
64AQI
49AQI
45AQI
56AQI
78AQI
80AQI
76AQI
85AQI
74AQI
64AQI
69AQI
75AQI
68AQI
74AQI
78AQI
65AQI
60AQI
45AQI
52AQI
61AQI
64AQI
77AQI
51AQI
52AQI
51AQI
44AQI
34AQI
54AQI
65AQI
52AQI
43AQI
53AQI
63AQI
57AQI
55AQI
44AQI
45AQI
42AQI
49AQI
36AQI
53AQI
61AQI
50AQI
48AQI
65AQI
65AQI
71AQI
73AQI
63AQI
55AQI
41AQI
56AQI
59AQI
42AQI
47AQI
43AQI
59AQI
44AQI
48AQI
60AQI
73AQI
77AQI
73AQI
64AQI
69AQI
80AQI
89AQI
75AQI
54AQI
56AQI
59AQI
70AQI
58AQI
64AQI
52AQI
52AQI
58AQI
70AQI
47AQI
55AQI
59AQI
60AQI
67AQI
68AQI
43AQI
50AQI
54AQI
60AQI
53AQI
42AQI
49AQI
59AQI
60AQI
49AQI
44AQI
41AQI
39AQI
53AQI
50AQI
48AQI
53AQI
67AQI
66AQI
59AQI
48AQI
50AQI
45AQI
58AQI
47AQI
38AQI
45AQI
35AQI
38AQI
29AQI
36AQI
37AQI
40AQI
43AQI
49AQI
56AQI
47AQI
40AQI
59AQI
63AQI
56AQI
56AQI
59AQI
62AQI
61AQI
48AQI
52AQI
44AQI
50AQI
54AQI
56AQI
48AQI
56AQI
49AQI
40AQI
40AQI
38AQI
38AQI
41AQI
51AQI
42AQI
46AQI
47AQI
47AQI
49AQI
50AQI
48AQI
43AQI
49AQI
52AQI
44AQI
44AQI
50AQI
40AQI
48AQI
49AQI
38AQI
37AQI
38AQI
41AQI
48AQI
53AQI
48AQI
48AQI
46AQI
37AQI
41AQI
48AQI
43AQI
43AQI
81AQI
64AQI
83AQI
62AQI
56AQI
59AQI
48AQI
48AQI
44AQI
No. of days
202562AQI
Highest AQI recorded in
March83AQI
Lowest AQI recorded in
September44AQI
202458AQI
Highest AQI recorded in
January82AQI
Lowest AQI recorded in
September37AQI
202368AQI
Highest AQI recorded in
February99AQI
Lowest AQI recorded in
September43AQI
202269AQI
Highest AQI recorded in
January94AQI
Lowest AQI recorded in
August22AQI
202167AQI
Highest AQI recorded in
March97AQI
Lowest AQI recorded in
September32AQI
202065AQI
Highest AQI recorded in
December96AQI
Lowest AQI recorded in
September41AQI
Most & Least Polluted Years Over the Last 6 Years
Mohyeon Eup's annual 2025 AQI (62) shows an average percentage change of -5.08% (improved AQI) compared to previous years: 2020 (65), 2021 (67), 2022 (69), 2023 (68), 2024 (58).